package saucaca.Video;

import java.io.IOException;

import saucaca.Util.TagName;
import saucaca.Youtube.FileId;
import saucaca.Youtube.PlaylistId;
import saucaca.Youtube.VideoId;
import saucaca.Youtube.YouTubeId;
import saucaca.Youtube.YouTubeUtility;
import android.annotation.SuppressLint;
import android.app.AlertDialog;
import android.content.Context;
import android.content.DialogInterface;
import android.content.Intent;
import android.content.res.Resources;
import android.media.AudioManager;
import android.media.MediaPlayer;
import android.media.MediaPlayer.OnCompletionListener;
import android.media.MediaPlayer.OnErrorListener;
import android.net.Uri;
import android.os.AsyncTask;
import android.util.AttributeSet;
import android.util.Log;
import android.view.KeyEvent;
import android.view.MotionEvent;
import android.view.SurfaceHolder;
import android.view.SurfaceView;
import android.view.View;
import android.view.ViewGroup;

public class FullScreenVideoStreamView extends SurfaceView implements VideoControllerStreamView.MediaPlayerControl {

    private String TAG = "VideoView";
    
    public static final String SCHEME_YOUTUBE_VIDEO = "ytv";
    public static final String SCHEME_YOUTUBE_PLAYLIST = "ytpl";
    public static final String SCHEME_FILE = "file";

    public final static String YOUTUBE_VIDEO_INFORMATION_URL = "http://www.youtube.com/get_video_info?&video_id=";
    public static final String YOUTUBE_PLAYLIST_ATOM_FEED_URL = "http://gdata.youtube.com/feeds/api/playlists/";

    public final static String MSG_INIT = "com.keyes.video.msg.init";
    protected String mMsgInit = "Initializing";

    public final static String MSG_DETECT = "com.keyes.video.msg.detect";
    protected String mMsgDetect = "Detecting Bandwidth";

    public final static String MSG_PLAYLIST = "com.keyes.video.msg.playlist";
    protected String mMsgPlaylist = "Determining Latest Video in YouTube Playlist";

    public final static String MSG_TOKEN = "com.keyes.video.msg.token";
    protected String mMsgToken = "Retrieving YouTube Video Token";

    public final static String MSG_LO_BAND = "com.keyes.video.msg.loband";
    protected String mMsgLowBand = "Buffering Low-bandwidth Video";

    public final static String MSG_HI_BAND = "com.keyes.video.msg.hiband";
    protected String mMsgHiBand = "Buffering High-bandwidth Video";

    public final static String MSG_ERROR_TITLE = "com.keyes.video.msg.error.title";
    protected String mMsgErrorTitle = "Communications Error";

    public final static String MSG_ERROR_MSG = "com.keyes.video.msg.error.msg";
    protected String mMsgError = "An error occurred during the retrieval of the video.  This could be due to network issues or YouTube protocols.  Please try again later.";

    /**
     * Background task on which all of the interaction with YouTube is done
     */
    protected QueryYouTubeTask mQueryYouTubeTask;
    String lYouTubeFmtQuality;
    protected String mVideoId = null;
    // settable by the client
    private Uri         mUri;
    private int         mDuration;

    // all possible internal states
    private static final int STATE_ERROR              = -1;
    private static final int STATE_IDLE               = 0;
    private static final int STATE_PREPARING          = 1;
    private static final int STATE_PREPARED           = 2;
    private static final int STATE_PLAYING            = 3;
    private static final int STATE_PAUSED             = 4;
    private static final int STATE_PLAYBACK_COMPLETED = 5;

    // mCurrentState is a VideoView object's current state.
    // mTargetState is the state that a method caller intends to reach.
    // For instance, regardless the VideoView object's current state,
    // calling pause() intends to bring the object to a target state
    // of STATE_PAUSED.
    private int mCurrentState = STATE_IDLE;
    private int mTargetState  = STATE_IDLE;

    // All the stuff we need for playing and showing a video
    private SurfaceHolder mSurfaceHolder = null;
    private MediaPlayer mMediaPlayer = null;
    private int         mVideoWidth;
    private int         mVideoHeight;
    private int         mSurfaceWidth;
    private int         mSurfaceHeight;
    private VideoControllerStreamView mMediaController;
    private OnCompletionListener mOnCompletionListener;
    private MediaPlayer.OnPreparedListener mOnPreparedListener;
    private int         mCurrentBufferPercentage;
    private OnErrorListener mOnErrorListener;
    private int         mSeekWhenPrepared;  // recording the seek position while preparing
    private boolean     mCanPause;
    private boolean     mCanSeekBack;
    private boolean     mCanSeekForward;
    private boolean     mIsFullScreen;

    private int mForceHeight = 0;
    private int mForceWidth = 0;

    private Context mContext;

    private ToggleFullScreen mOnToggleFullScreen;

    public void setOnToggleFullScreen(ToggleFullScreen mToggleFullScreen){
        this.mOnToggleFullScreen = mToggleFullScreen;
    }

    public void setFullScreen(boolean isFullScreen) {
        mIsFullScreen = isFullScreen;
        mMediaController.updateFullScreen();
    }

    public interface ToggleFullScreen {
        void    onToggleFullScreen(boolean isFullScreen);
    }

    public FullScreenVideoStreamView(Context context) {
        super(context);
        this.mContext = context;
        initVideoView();
    }

    public FullScreenVideoStreamView(Context context, AttributeSet attrs) {
        this(context, attrs, 0);
        this.mContext = context;
        initVideoView();
    }

    public FullScreenVideoStreamView(Context context, AttributeSet attrs, int defStyle) {
        super(context, attrs, defStyle);
        this.mContext = context;
        initVideoView();
    }

    public void setDimensions(int w, int h) {
        this.mForceHeight = h;
        this.mForceWidth = w;
//        if(mMediaController!=null)
//        mMediaController.setDimensions(mForceWidth, mForceHeight);
    }

    @Override
    protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) {
        setMeasuredDimension(mForceWidth, mForceHeight);
    }

    public int resolveAdjustedSize(int desiredSize, int measureSpec) {
        int result = desiredSize;
        int specMode = MeasureSpec.getMode(measureSpec);
        int specSize =  MeasureSpec.getSize(measureSpec);

        switch (specMode) {
            case MeasureSpec.UNSPECIFIED:
                /* Parent says we can be as big as we want. Just don't be larger
                 * than max size imposed on ourselves.
                 */
                result = desiredSize;
                break;

            case MeasureSpec.AT_MOST:
                /* Parent says we can be as big as we want, up to specSize.
                 * Don't be larger than specSize, and don't be larger than
                 * the max size imposed on ourselves.
                 */
                result = Math.min(desiredSize, specSize);
                break;

            case MeasureSpec.EXACTLY:
                // No choice. Do what we are told.
                result = specSize;
                break;
        }
        return result;
    }

    @SuppressWarnings("deprecation")
	private void initVideoView() {
        mVideoWidth = 0;
        mVideoHeight = 0;
        getHolder().addCallback(mSHCallback);
        getHolder().setType(SurfaceHolder.SURFACE_TYPE_PUSH_BUFFERS);
        setFocusable(true);
        setFocusableInTouchMode(true);
        requestFocus();
        mCurrentState = STATE_IDLE;
        mTargetState  = STATE_IDLE;
    }

    public void setVideoPath(String path) {
        setVideoURI(Uri.parse(path));
    }

    public void setVideoURI(Uri uri) {
        mUri = uri;
        mSeekWhenPrepared = 0;
        openVideo();
        requestLayout();
        invalidate();
    }

    public void setYoutubeId(String lYouTubeFmtQuality,String youtubeid){
    	this.lYouTubeFmtQuality=lYouTubeFmtQuality;
    	Uri lVideoIdUri=Uri.parse("ytv://" + youtubeid);
    	
    	if (lVideoIdUri == null) {
            Log.i(this.getClass().getSimpleName(), "No video ID was specified in the intent.  Closing video activity.");
//            finish();
        }
        String lVideoSchemeStr = lVideoIdUri.getScheme();
        String lVideoIdStr = lVideoIdUri.getEncodedSchemeSpecificPart();
        if (lVideoIdStr == null) {
            Log.i(this.getClass().getSimpleName(), "No video ID was specified in the intent.  Closing video activity.");
//            finish();
        }
        if (lVideoIdStr.startsWith("//")) {
            if (lVideoIdStr.length() > 2) {
                lVideoIdStr = lVideoIdStr.substring(2);
            } else {
                Log.i(this.getClass().getSimpleName(), "No video ID was specified in the intent.  Closing video activity.");
//                finish();
            }
        }

        YouTubeId lYouTubeId = null;
        if (lVideoSchemeStr != null && lVideoSchemeStr.equalsIgnoreCase(SCHEME_YOUTUBE_PLAYLIST)) {
            lYouTubeId = new PlaylistId(lVideoIdStr);
        } else if (lVideoSchemeStr != null && lVideoSchemeStr.equalsIgnoreCase(SCHEME_YOUTUBE_VIDEO)) {
            lYouTubeId = new VideoId(lVideoIdStr);
        } else if (lVideoSchemeStr != null && lVideoSchemeStr.equalsIgnoreCase(SCHEME_FILE)) {
            lYouTubeId = new FileId(lVideoIdStr);
        }

        if (lYouTubeId == null) {
            Log.i(this.getClass().getSimpleName(), "Unable to extract video ID from the intent.  Closing video activity.");
//            finish();
        }

        mQueryYouTubeTask = (QueryYouTubeTask) new QueryYouTubeTask().execute(lYouTubeId);
    }
    public void stopPlayback() {
        if (mMediaPlayer != null) {
            mMediaPlayer.stop();
            mMediaPlayer.release();
            mMediaPlayer = null;
            mCurrentState = STATE_IDLE;
            mTargetState  = STATE_IDLE;
        }
    }

    private void openVideo() {
        if (mUri == null || mSurfaceHolder == null) {
            // not ready for playback just yet, will try again later
            return;
        }
        // Tell the music playback service to pause
        // TODO: these constants need to be published somewhere in the framework.
        Intent i = new Intent("com.android.music.musicservicecommand");
        i.putExtra("command", "pause");
        mContext.sendBroadcast(i);

        // we shouldn't clear the target state, because somebody might have
        // called start() previously
        release(false);
        try {
            mMediaPlayer = new MediaPlayer();
            mMediaPlayer.setOnPreparedListener(mPreparedListener);
            mMediaPlayer.setOnVideoSizeChangedListener(mSizeChangedListener);
            mDuration = -1;
            mMediaPlayer.setOnCompletionListener(mCompletionListener);
            mMediaPlayer.setOnErrorListener(mErrorListener);
            mMediaPlayer.setOnBufferingUpdateListener(mBufferingUpdateListener);
            mCurrentBufferPercentage = 0;
            mMediaPlayer.setDataSource(mContext, mUri);
            mMediaPlayer.setDisplay(mSurfaceHolder);
            mMediaPlayer.setAudioStreamType(AudioManager.STREAM_MUSIC);
            mMediaPlayer.setScreenOnWhilePlaying(true);
            mMediaPlayer.prepareAsync();
            // we don't set the target state here either, but preserve the
            // target state that was there before.
            mCurrentState = STATE_PREPARING;
            attachMediaController();
        } catch (IOException ex) {
            Log.w(TAG, "Unable to open content: " + mUri, ex);
            mCurrentState = STATE_ERROR;
            mTargetState = STATE_ERROR;
            mErrorListener.onError(mMediaPlayer, MediaPlayer.MEDIA_ERROR_UNKNOWN, 0);
            return;
        } catch (IllegalArgumentException ex) {
            Log.w(TAG, "Unable to open content: " + mUri, ex);
            mCurrentState = STATE_ERROR;
            mTargetState = STATE_ERROR;
            mErrorListener.onError(mMediaPlayer, MediaPlayer.MEDIA_ERROR_UNKNOWN, 0);
            return;
        }
    }

    public void setMediaController(VideoControllerStreamView controller) {
        if (mMediaController != null) {
            mMediaController.hide();
        }
        mMediaController = controller;
        attachMediaController();
    }

    private void attachMediaController() {
        if (mMediaPlayer != null && mMediaController != null) {
            mMediaController.setMediaPlayer(this);
            View anchorView = this.getParent() instanceof View ?
                    (View)this.getParent() : this;
            mMediaController.setAnchorView((ViewGroup) anchorView);
            mMediaController.setEnabled(isInPlaybackState());
        }
    }

    MediaPlayer.OnVideoSizeChangedListener mSizeChangedListener =
            new MediaPlayer.OnVideoSizeChangedListener() {
                public void onVideoSizeChanged(MediaPlayer mp, int width, int height) {
                    mVideoWidth = mp.getVideoWidth();
                    mVideoHeight = mp.getVideoHeight();
                    if (mVideoWidth != 0 && mVideoHeight != 0) {
                        getHolder().setFixedSize(mVideoWidth, mVideoHeight);
                    }
                }
            };

    MediaPlayer.OnPreparedListener mPreparedListener = new MediaPlayer.OnPreparedListener() {
        public void onPrepared(MediaPlayer mp) {
            mCurrentState = STATE_PREPARED;

            mCanPause = mCanSeekForward = mCanSeekForward = true;

            if (mOnPreparedListener != null) {
                mOnPreparedListener.onPrepared(mMediaPlayer);
            }
            if (mMediaController != null) {
                mMediaController.setEnabled(true);
            }
            mVideoWidth = mp.getVideoWidth();
            mVideoHeight = mp.getVideoHeight();

            int seekToPosition = mSeekWhenPrepared;  // mSeekWhenPrepared may be changed after seekTo() call
            if (seekToPosition != 0) {
                seekTo(seekToPosition);
            }
            if (mVideoWidth != 0 && mVideoHeight != 0) {
                //Log.i("@@@@", "video size: " + mVideoWidth +"/"+ mVideoHeight);
                getHolder().setFixedSize(mVideoWidth, mVideoHeight);
                if (mSurfaceWidth == mVideoWidth && mSurfaceHeight == mVideoHeight) {
                    // We didn't actually change the size (it was already at the size
                    // we need), so we won't get a "surface changed" callback, so
                    // start the video here instead of in the callback.
                    if (mTargetState == STATE_PLAYING) {
                        start();
                        if (mMediaController != null) {
                            mMediaController.show();
                        }
                    } else if (!isPlaying() &&
                            (seekToPosition != 0 || getCurrentPosition() > 0)) {
                        if (mMediaController != null) {
                            // Show the media controls when we're paused into a video and make 'em stick.
                            mMediaController.show(0);
                        }
                    }
                }
            } else {
                // We don't know the video size yet, but should start anyway.
                // The video size might be reported to us later.
                if (mTargetState == STATE_PLAYING) {
                    start();
                }
            }
        }
    };

    private OnCompletionListener mCompletionListener =
            new OnCompletionListener() {
                public void onCompletion(MediaPlayer mp) {
                    mCurrentState = STATE_PLAYBACK_COMPLETED;
                    mTargetState = STATE_PLAYBACK_COMPLETED;
                    if (mMediaController != null) {
                        mMediaController.hide();
                    }
                    if (mOnCompletionListener != null) {
                        mOnCompletionListener.onCompletion(mMediaPlayer);
                    }
                }
            };

    private OnErrorListener mErrorListener =
            new OnErrorListener() {
                public boolean onError(MediaPlayer mp, int framework_err, int impl_err) {
                    Log.d(TAG, "Error: " + framework_err + "," + impl_err);
                    mCurrentState = STATE_ERROR;
                    mTargetState = STATE_ERROR;
                    if (mMediaController != null) {
                        mMediaController.error();
                    }

            /* If an error handler has been supplied, use it and finish. */
                    if (mOnErrorListener != null) {
                        if (mOnErrorListener.onError(mMediaPlayer, framework_err, impl_err)) {
                            return true;
                        }
                    }

            /* Otherwise, pop up an error dialog so the user knows that
             * something bad has happened. Only try and pop up the dialog
             * if we're attached to a window. When we're going away and no
             * longer have a window, don't bother showing the user an error.
             */
                    if (getWindowToken() != null) {
                        Resources r = mContext.getResources();
                        int messageId;

                        if (framework_err == MediaPlayer.MEDIA_ERROR_NOT_VALID_FOR_PROGRESSIVE_PLAYBACK) {
                            messageId = android.R.string.VideoView_error_text_invalid_progressive_playback;
                        } else {
                            messageId = android.R.string.VideoView_error_text_unknown;
                        }

                        new AlertDialog.Builder(mContext)
                                .setTitle(android.R.string.VideoView_error_title)
                                .setMessage(messageId)
                                .setPositiveButton(android.R.string.VideoView_error_button,
                                        new DialogInterface.OnClickListener() {
                                            public void onClick(DialogInterface dialog, int whichButton) {
                                        /* If we get here, there is no onError listener, so
                                         * at least inform them that the video is over.
                                         */
                                                if (mOnCompletionListener != null) {
                                                    mOnCompletionListener.onCompletion(mMediaPlayer);
                                                }
                                            }
                                        })
                                .setCancelable(false)
                                .show();
                    }
                    return true;
                }
            };

    private MediaPlayer.OnBufferingUpdateListener mBufferingUpdateListener =
            new MediaPlayer.OnBufferingUpdateListener() {
                public void onBufferingUpdate(MediaPlayer mp, int percent) {
                    mCurrentBufferPercentage = percent;
                }
            };

    /**
     * Register a callback to be invoked when the media file
     * is loaded and ready to go.
     *
     * @param l The callback that will be run
     */
    public void setOnPreparedListener(MediaPlayer.OnPreparedListener l)
    {
        mOnPreparedListener = l;
    }

    /**
     * Register a callback to be invoked when the end of a media file
     * has been reached during playback.
     *
     * @param l The callback that will be run
     */
    public void setOnCompletionListener(OnCompletionListener l)
    {
        mOnCompletionListener = l;
    }

    /**
     * Register a callback to be invoked when an error occurs
     * during playback or setup.  If no listener is specified,
     * or if the listener returned false, VideoView will inform
     * the user of any errors.
     *
     * @param l The callback that will be run
     */
    public void setOnErrorListener(OnErrorListener l)
    {
        mOnErrorListener = l;
    }

    SurfaceHolder.Callback mSHCallback = new SurfaceHolder.Callback()
    {
        public void surfaceChanged(SurfaceHolder holder, int format,
                                   int w, int h)
        {
            mSurfaceWidth = w;
            mSurfaceHeight = h;
            boolean isValidState =  (mTargetState == STATE_PLAYING);
            boolean hasValidSize = (mVideoWidth == w && mVideoHeight == h);
            if (mMediaPlayer != null && isValidState && hasValidSize) {
                if (mSeekWhenPrepared != 0) {
                    seekTo(mSeekWhenPrepared);
                }
                start();
                if (mMediaController != null) {
                    mMediaController.show();
                }
            }
        }

        public void surfaceCreated(SurfaceHolder holder)
        {
            mSurfaceHolder = holder;
            openVideo();
        }

        public void surfaceDestroyed(SurfaceHolder holder)
        {
            // after we return from this we can't use the surface any more
            mSurfaceHolder = null;
            if (mMediaController != null) mMediaController.hide();
            release(true);
        }
    };

    /*
     * release the media player in any state
     */
    private void release(boolean cleartargetstate) {
        if (mMediaPlayer != null) {
            mMediaPlayer.reset();
            mMediaPlayer.release();
            mMediaPlayer = null;
            mCurrentState = STATE_IDLE;
            if (cleartargetstate) {
                mTargetState  = STATE_IDLE;
            }
        }
    }

    @SuppressLint("ClickableViewAccessibility") @Override
    public boolean onTouchEvent(MotionEvent ev) {
        if (isInPlaybackState() && mMediaController != null) {
            toggleMediaControlsVisiblity();
        }
        return false;
    }

    @Override
    public boolean onTrackballEvent(MotionEvent ev) {
        if (isInPlaybackState() && mMediaController != null) {
            toggleMediaControlsVisiblity();
        }
        return false;
    }

    @Override
    public boolean onKeyDown(int keyCode, KeyEvent event)
    {
        boolean isKeyCodeSupported = keyCode != KeyEvent.KEYCODE_BACK &&
                keyCode != KeyEvent.KEYCODE_VOLUME_UP &&
                keyCode != KeyEvent.KEYCODE_VOLUME_DOWN &&
                keyCode != KeyEvent.KEYCODE_MENU &&
                keyCode != KeyEvent.KEYCODE_CALL &&
                keyCode != KeyEvent.KEYCODE_ENDCALL;
        if (isInPlaybackState() && isKeyCodeSupported && mMediaController != null) {
            if (keyCode == KeyEvent.KEYCODE_HEADSETHOOK ||
                    keyCode == KeyEvent.KEYCODE_MEDIA_PLAY_PAUSE) {
                if (mMediaPlayer.isPlaying()) {
                    pause();
                    mMediaController.show();
                } else {
                    start();
                    mMediaController.hide();
                }
                return true;
            } else if (keyCode == KeyEvent.KEYCODE_MEDIA_STOP
                    && mMediaPlayer.isPlaying()) {
                pause();
                mMediaController.show();
            } else {
                toggleMediaControlsVisiblity();
            }
        }

        return super.onKeyDown(keyCode, event);
    }

    private void toggleMediaControlsVisiblity() {
        if (mMediaController.isShowing()) {
            mMediaController.hide();
        } else {
            mMediaController.show();
        }
    }

    public void start() {
        if (isInPlaybackState()) {
            mMediaPlayer.start();
            mCurrentState = STATE_PLAYING;
        }
        mTargetState = STATE_PLAYING;
    }

    public void pause() {
        if (isInPlaybackState()) {
            if (mMediaPlayer.isPlaying()) {
                mMediaPlayer.pause();
                mCurrentState = STATE_PAUSED;
            }
        }
        mTargetState = STATE_PAUSED;
    }

    // cache duration as mDuration for faster access
    public int getDuration() {
        if (isInPlaybackState()) {
            if (mDuration > 0) {
                return mDuration;
            }
            mDuration = mMediaPlayer.getDuration();
            return mDuration;
        }
        mDuration = -1;
        return mDuration;
    }

    public int getCurrentPosition() {
        if (isInPlaybackState()) {
            return mMediaPlayer.getCurrentPosition();
        }
        return 0;
    }

    public void seekTo(int msec) {
        if (isInPlaybackState()) {
            mMediaPlayer.seekTo(msec);
            mSeekWhenPrepared = 0;
        } else {
            mSeekWhenPrepared = msec;
        }
    }

    public boolean isPlaying() {
        return isInPlaybackState() && mMediaPlayer.isPlaying();
    }

    public int getBufferPercentage() {
        if (mMediaPlayer != null) {
            return mCurrentBufferPercentage;
        }
        return 0;
    }

    private boolean isInPlaybackState() {
        return (mMediaPlayer != null &&
                mCurrentState != STATE_ERROR &&
                mCurrentState != STATE_IDLE &&
                mCurrentState != STATE_PREPARING);
    }

    public boolean canPause() {
        return mCanPause;
    }

    public boolean canSeekBackward() {
        return mCanSeekBack;
    }

    public boolean canSeekForward() {
        return mCanSeekForward;
    }

    @Override
    public boolean isFullScreen() {
        return mIsFullScreen;
    }

    @Override
    public void toggleFullScreen() {
        mIsFullScreen = !mIsFullScreen;
        if(mOnToggleFullScreen != null) {
            mOnToggleFullScreen.onToggleFullScreen(mIsFullScreen);
        }
    }

    public void suspend() {
        release(false);
    }

    public void resume() {
        openVideo();
    }
    /**
     * Task to figure out details by calling out to YouTube GData API.  We only use public methods that
     * don't require authentication.
     */
    private class QueryYouTubeTask extends AsyncTask<YouTubeId, String, Uri> {

        private boolean mShowedError = false;

        @Override
        protected Uri doInBackground(YouTubeId... pParams) {
            if (pParams[0] instanceof FileId) {
                return Uri.parse(pParams[0].getId());
            }
            else {
                String lUriStr = null;
                String lYouTubeVideoId = null;

                if (isCancelled())
                    return null;

                try {
                    // if the intent is to show a playlist, get the latest video id from the playlist, otherwise the video
                    // id was explicitly declared.
                    if (pParams[0] instanceof PlaylistId) {
                        lYouTubeVideoId = YouTubeUtility.queryLatestPlaylistVideo((PlaylistId) pParams[0]);
                    } else if (pParams[0] instanceof VideoId) {
                        lYouTubeVideoId = pParams[0].getId();
                    }
                    mVideoId = lYouTubeVideoId;
                    if (isCancelled())
                        return null;

                    ////////////////////////////////////
                    // calculate the actual URL of the video, encoded with proper YouTube token
                    lUriStr = YouTubeUtility.calculateYouTubeUrl(lYouTubeFmtQuality, true, lYouTubeVideoId);
                    if (isCancelled())
                        return null;
                } catch (Exception e) {
                    Log.e(this.getClass().getSimpleName(), "Error occurred while retrieving information from YouTube.", e);
                }

                if (lUriStr != null) {
                    return Uri.parse(lUriStr);
                } else {
                    return null;
                }
            }
        }


        @Override
        protected void onPostExecute(Uri pResult) {
            super.onPostExecute(pResult);

            try {
                if (isCancelled())
                    return;

                if (pResult == null) {
                    throw new RuntimeException("Invalid NULL Url.");
                }
                mUri = pResult;
                mSeekWhenPrepared = 0;
                openVideo();
                requestLayout();
                invalidate();
            } catch (Exception e) {
                Log.e(this.getClass().getSimpleName(), "Error playing video!", e);
                if (!mShowedError) {
//                    showErrorAlert();
                }
            }
        }
    }

}